Table 6.

Kappa value indicating inter-reader agreement in calcification in FFDM + DBT and C-View + DBT.

Interreader agreement	Kappa value	p value
Reader 1 vs Reader 2 (FFDM)	0.618	<0.001
Reader 1 vs Reader 3 (FFDM)	0.713	<0.001
Reader 2 vs Reader 3 (FFDM)	0.742	<0.001
Reader 1 vs Reader 2 (C-View)	0.618	<0.001
Reader 1 vs Reader 3 (C-View)	0.683	<0.001
Reader 2 vs Reader 3 (C-View)	0.744	<0.001